Sealing ring



FIG. 1 is a perspective view of a sealing ring showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is an alternative perspective view thereof;

FIG. 5 is a perspective view of a portion of the sealing ring shown in detail; and,

FIG. 6 is a cross section view of the sealing ring, as shown in FIG. 2. 

The ornamental design for a sealing ring, as shown and described. 